package com.atguigu.tingshu.album.api;


import com.atguigu.tingshu.album.config.MinioConstantProperties;
import com.atguigu.tingshu.common.result.Result;
import io.minio.BucketExistsArgs;
import io.minio.MakeBucketArgs;
import io.minio.MinioClient;
import io.minio.PutObjectArgs;
import io.minio.errors.MinioException;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.util.UUID;

@Tag(name = "上传管理接口")
@RestController
@RequestMapping("api/album")
public class FileUploadApiController {

    @Autowired
    private MinioConstantProperties minioConstantProperties;

    //文件上传Request URL: http://192.168.200.1/api/album/fileUpload
    @Operation(summary = "文件上传")
    @PostMapping("/fileUpload")
    public Result fileUpload(MultipartFile file){
        String url = "";
            try {
                // Create a minioClient with the MinIO server playground, its access key and secret key.
                MinioClient minioClient =
                        MinioClient.builder()
                                .endpoint(minioConstantProperties.getEndpointUrl())
                                .credentials(minioConstantProperties.getAccessKey(), minioConstantProperties.getSecreKey())
                                .build();

                // Make 'asiatrip' bucket if not exist.
                boolean found =
                        minioClient.bucketExists(BucketExistsArgs.builder().bucket(minioConstantProperties.getBucketName()).build());
                if (!found) {
                    // Make a new bucket called 'asiatrip'.
                    minioClient.makeBucket(MakeBucketArgs.builder().bucket(minioConstantProperties.getBucketName()).build());
                } else {
                    System.out.println("Bucket already exists.");
                }
                //获取原文件后缀名
                String originalFilename = file.getOriginalFilename();
                String suffix = originalFilename.substring(originalFilename.lastIndexOf("."));
                //制作一个文件名(不可重复唯一）
                String fileName =UUID.randomUUID().toString().replaceAll("-","")+suffix;

                //将文件上传到minio服务器
                // Upload known sized input stream.上传已知大小的输入流。
                minioClient.putObject(
                        PutObjectArgs.builder().bucket(minioConstantProperties.getBucketName()).object(fileName).stream(
                                        file.getInputStream(), file.getSize(), -1)
                                .contentType(file.getContentType())
                                .build());
                //接收完返回之前的地址
                url= minioConstantProperties.getEndpointUrl()+"/"+minioConstantProperties.getBucketName()+"/"+fileName;
                System.out.println("url:\t"+url);
            } catch (MinioException e) {
                System.out.println("Error occurred: " + e);
                System.out.println("HTTP trace: " + e.httpTrace());
            } catch (IOException e) {
                throw new RuntimeException(e);
            } catch (NoSuchAlgorithmException e) {
                throw new RuntimeException(e);
            } catch (InvalidKeyException e) {
                throw new RuntimeException(e);
            }

        //返回数据
        return Result.ok(url);
    }

}
